diff --git a/litellm/integrations/prometheus.py b/litellm/integrations/prometheus.py
index 7de8088c6..4f0ffa387 100644
--- a/litellm/integrations/prometheus.py
+++ b/litellm/integrations/prometheus.py
@@ -74,13 +74,20 @@ class PrometheusLogger:
                 ],
             )
 
-            # Remaining Budget for Team, Key
+            # Remaining Budget for Team
             self.litellm_remaining_team_budget_metric = Gauge(
                 "litellm_remaining_team_budget_metric",
                 "Remaining budget for team",
                 labelnames=["team_id", "team_alias"],
             )
 
+            # Remaining Budget for API Key
+            self.litellm_remaining_api_key_budget_metric = Gauge(
+                "litellm_remaining_api_key_budget_metric",
+                "Remaining budget for api key",
+                labelnames=["hashed_api_key", "api_key_alias"],
+            )
+
         except Exception as e:
             print_verbose(f"Got exception on init prometheus client {str(e)}")
             raise e
@@ -111,6 +118,9 @@ class PrometheusLogger:
                 "user_api_key_user_id", None
             )
             user_api_key = litellm_params.get("metadata", {}).get("user_api_key", None)
+            user_api_key_alias = litellm_params.get("metadata", {}).get(
+                "user_api_key_alias", None
+            )
             user_api_team = litellm_params.get("metadata", {}).get(
                 "user_api_key_team_id", None
             )
@@ -121,7 +131,6 @@ class PrometheusLogger:
             _team_spend = litellm_params.get("metadata", {}).get(
                 "user_api_key_team_spend", None
             )
-
             _team_max_budget = litellm_params.get("metadata", {}).get(
                 "user_api_key_team_max_budget", None
             )
@@ -129,6 +138,16 @@ class PrometheusLogger:
                 max_budget=_team_max_budget, spend=_team_spend
             )
 
+            _api_key_spend = litellm_params.get("metadata", {}).get(
+                "user_api_key_spend", None
+            )
+            _api_key_max_budget = litellm_params.get("metadata", {}).get(
+                "user_api_key_max_budget", None
+            )
+            _remaining_api_key_budget = safe_get_remaining_budget(
+                max_budget=_api_key_max_budget, spend=_api_key_spend
+            )
+
             if response_obj is not None:
                 tokens_used = response_obj.get("usage", {}).get("total_tokens", 0)
             else:
@@ -176,6 +195,10 @@ class PrometheusLogger:
                 user_api_team, user_api_team_alias
             ).set(_remaining_team_budget)
 
+            self.litellm_remaining_api_key_budget_metric.labels(
+                user_api_key, user_api_key_alias
+            ).set(_remaining_api_key_budget)
+
             ### FAILURE INCREMENT ###
             if "exception" in kwargs:
                 self.litellm_llm_api_failed_requests_metric.labels(
diff --git a/litellm/proxy/litellm_pre_call_utils.py b/litellm/proxy/litellm_pre_call_utils.py
index fc6bd7044..5aca61a96 100644
--- a/litellm/proxy/litellm_pre_call_utils.py
+++ b/litellm/proxy/litellm_pre_call_utils.py
@@ -109,6 +109,10 @@ async def add_litellm_data_to_request(
     data["metadata"]["user_api_key_team_max_budget"] = user_api_key_dict.team_max_budget
     data["metadata"]["user_api_key_team_spend"] = user_api_key_dict.team_spend
 
+    # API Key spend, budget - used by prometheus.py
+    data["metadata"]["user_api_key_spend"] = user_api_key_dict.spend
+    data["metadata"]["user_api_key_max_budget"] = user_api_key_dict.max_budget
+
     data["metadata"]["user_api_key_metadata"] = user_api_key_dict.metadata
     _headers = dict(request.headers)
     _headers.pop(